From dc8053eaee7be64ef17d1bdbcb169af2e611b966 Mon Sep 17 00:00:00 2001 From: Raymond Mao Date: Fri, 6 Dec 2024 14:54:19 -0800 Subject: sysinfo: Add sysinfo API for accessing data area Add interface for sysinfo to access a data area from the platform. This is useful to save/read a memory region of platform-specific data. Signed-off-by: Raymond Mao --- drivers/sysinfo/sysinfo-uclass.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'drivers/sysinfo') diff --git a/drivers/sysinfo/sysinfo-uclass.c b/drivers/sysinfo/sysinfo-uclass.c index d77d1e3ee44..3c0cd51273e 100644 --- a/drivers/sysinfo/sysinfo-uclass.c +++ b/drivers/sysinfo/sysinfo-uclass.c @@ -99,6 +99,26 @@ int sysinfo_get_str(struct udevice *dev, int id, size_t size, char *val) return ops->get_str(dev, id, size, val); } +int sysinfo_get_data(struct udevice *dev, int id, void **data, size_t *size) +{ + struct sysinfo_priv *priv; + struct sysinfo_ops *ops; + + if (!dev) + return -ENOSYS; + + priv = dev_get_uclass_priv(dev); + ops = sysinfo_get_ops(dev); + + if (!priv->detected) + return -EPERM; + + if (!ops->get_data) + return -ENOSYS; + + return ops->get_data(dev, id, data, size); +} + UCLASS_DRIVER(sysinfo) = { .id = UCLASS_SYSINFO, .name = "sysinfo", -- cgit v1.2.3